JP2000504343A - ロサルタンの結晶化法 - Google Patents
ロサルタンの結晶化法Info
- Publication number
- JP2000504343A JP2000504343A JP10520675A JP52067598A JP2000504343A JP 2000504343 A JP2000504343 A JP 2000504343A JP 10520675 A JP10520675 A JP 10520675A JP 52067598 A JP52067598 A JP 52067598A JP 2000504343 A JP2000504343 A JP 2000504343A
- Authority
- JP
- Japan
- Prior art keywords
- cyclohexane
- potassium
- losartan
- mixture
- isopropanol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. a)ロサルタンカリウムを含有するイソプロパノール−水混合液を、水含 量約2.4〜約2.8%まで蒸留すること; b)混合液を約65〜約70℃に冷却すること; c)約60〜約65℃のシクロヘキサンスラリー中の5重量%の細粉化ロサルタ ンカリウムを、水含量約1.8〜約2.3%で曇点に到達するまで、速度約0. 3L/分で容器に添加すること; d)混合液を約10分間熟成させること; e)温度範囲約60〜約70℃で、約3〜約10重量%の細粉化ロサルタンカリ ウムを添加することで、混合液に種晶添加を行うこと; f)温度範囲約60℃で約1〜約2時間種晶添加混合液を、攪拌しながら還流し つつ熟成させること; g)混合液の温度を約68℃に保ちながら、約2時間にわたって、シクロヘキサ ンの60〜65℃の溶液を添加すること; h)体積比約50:50〜80:20のシクロヘキサンとイソプロパノールを添 加して一定の体積に保ちながら、一定体積で 混合液を水含量約0.5%まで蒸留すること; i)必要ならば体積比約50:50〜約60:40のシクロヘキサン:イソプロ パノールを維持するためにシクロヘキサンを添加しながら、スラリー密度約20 0g/L及び水含量約0.1%末満まで混合液を蒸留すること; j)混合液を約20℃〜約30℃に冷却すること; k)混合液を濾過し、ロサルタンカリウムの結晶を単離すること; 1)結晶物質を75:25シクロヘキサン:イソプロパノールで洗浄すること; m)結晶物質をシクロヘキサンで洗浄すること;及び n)真空下、温度約45〜約50℃でロサルタンカリウムの結晶を乾燥すること ; の各工程を含むことを特徴とするロサルタンカリウムの結晶化方法。 2. 約3〜約8重量%の細粉化ロサルタンカリウムを添加することを特徴とす る請求項1に記載の方法。 3. イソプロパノール−水蒸留工程を、水含量が約2.6〜約2.8%に到達 するまで行うことを特徴とする請求項2に記 載の方法。 4. 水含量約1.8〜約2.0%で曇点に到達するまで、シクロヘキサン−ロ サルタンカリウムスラリーを添加することを特徴とする請求項3に記載の方法。 5. 種晶添加工程の温度は約65〜約70℃であることを特徴とする請求項4 に記載の方法。 6. 水含量が約0.5%になるまで、一定体積蒸留を行うことを特徴とする請 求項5に記載の方法。 7. 約5重量%の細粉化ロサルタンカリウムを添加することを特徴とする請求 項6に記載の方法。 8. 細粉化ロサルタンカリウムの粒子サイズは約8〜約10μmであることを 特徴とする請求項7に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2932696P | 1996-10-29 | 1996-10-29 | |
GB9625804.1 | 1996-12-12 | ||
GB60/029,326 | 1996-12-12 | ||
GBGB9625804.1A GB9625804D0 (en) | 1996-12-12 | 1996-12-12 | Process for the crystallization of losartan |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000504343A true JP2000504343A (ja) | 2000-04-11 |
JP3249827B2 JP3249827B2 (ja) | 2002-01-21 |
Family
ID=26310606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52067598A Expired - Fee Related JP3249827B2 (ja) | 1996-10-29 | 1997-10-24 | ロサルタンの結晶化法 |
Country Status (18)
Country | Link |
---|---|
US (1) | US5859258A (ja) |
EP (1) | EP0937068B1 (ja) |
JP (1) | JP3249827B2 (ja) |
CN (1) | CN1101393C (ja) |
AR (1) | AR010256A1 (ja) |
AT (1) | ATE214388T1 (ja) |
AU (1) | AU5089898A (ja) |
BR (1) | BR9712390A (ja) |
CZ (1) | CZ291672B6 (ja) |
DE (1) | DE69711068T2 (ja) |
DK (1) | DK0937068T3 (ja) |
EA (1) | EA001046B1 (ja) |
ES (1) | ES2173433T3 (ja) |
HR (1) | HRP970565B1 (ja) |
PT (1) | PT937068E (ja) |
SK (1) | SK282875B6 (ja) |
TW (1) | TW411338B (ja) |
WO (1) | WO1998018787A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002080354A (ja) * | 2000-09-05 | 2002-03-19 | Kao Corp | 血圧降下剤組成物 |
JP2010510294A (ja) * | 2006-11-23 | 2010-04-02 | ケモ イベリカ, エス.ア. | カンデサルタンシレキセチルの結晶形態を調製する方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001226372A (ja) * | 1999-12-06 | 2001-08-21 | Sumika Fine Chemicals Co Ltd | ロサルタンの結晶性または結晶化された酸付加塩およびロサルタンの精製方法 |
BR0102252B1 (pt) * | 2001-04-10 | 2013-10-22 | Sistema de liberação controlada para antagonista do receptor AT1 da angiotensina II, composição farmacêutica e seu uso | |
EP1294712A1 (en) * | 2001-05-18 | 2003-03-26 | Aurobindo Pharma Limited | Process for the crystallization of losartan potassium |
US7429238B2 (en) * | 2001-10-15 | 2008-09-30 | The Regents Of The University Of Michigan | Systems and methods for the generation of crystalline polymorphs |
US7413751B2 (en) * | 2001-10-25 | 2008-08-19 | Depomed, Inc. | Methods of treatment using a gastric retained losartan dosage |
EP1634880A3 (en) | 2002-04-29 | 2006-04-12 | Teva Pharmaceutical Industries Ltd. | Processes for preparing losartan and losartan potassium |
US20040097568A1 (en) * | 2002-07-29 | 2004-05-20 | Dr. Reddy's Laboratories Limited | Crystalline form of losartan potassium |
US20040171843A1 (en) * | 2002-10-17 | 2004-09-02 | Igor Lifshitz | Process for preparing losartan potassium with improved flow ability |
AU2003278422A1 (en) * | 2002-10-31 | 2004-05-25 | Ranbaxy Laboratories Limited | Amorphous form of losartan potassium |
US7271269B2 (en) * | 2003-01-30 | 2007-09-18 | Lek Pharmaceuticals D.D. | Preparation of new pharmaceutically suitable salt of losartan and forms thereof with new purification and isolation methods |
WO2004076442A1 (en) * | 2003-02-28 | 2004-09-10 | Ranbaxy Laboratories Limited | Polymorphs of losartan |
US7345071B2 (en) | 2003-05-07 | 2008-03-18 | Ipca Laboratories Limited | Process for the synthesis of Losartan potassium |
ITMI20032472A1 (it) * | 2003-12-16 | 2005-06-17 | Dinamite Dipharma S P A In Forma A Bbreviata Diph | Procedimento per la preparazione di losartan potassio cristallino |
EP1709034A2 (en) * | 2004-01-06 | 2006-10-11 | IPCA Laboratories Limited | An improved process for the synthesis of losartan potassium |
US20050288272A1 (en) * | 2004-06-23 | 2005-12-29 | Solvay Pharmaceuticals Gmbh | Pharmaceutical compositions comprising NEP-inhibitors, inhibitors of the endogenous endothelin producing system and AT1 receptor antagonists |
CN1972679B (zh) * | 2004-06-23 | 2010-07-28 | 索尔瓦药物有限公司 | 包括nep-抑制剂、内源性内皮缩血管肽产生系统抑制剂和at1受体拮抗剂的药物组合物 |
ITMI20050551A1 (it) * | 2005-04-01 | 2006-10-02 | Dipharma Spa | Forma cristallina alfa di losartan potassio |
CA2668744C (en) | 2006-11-17 | 2015-09-15 | Queen's University At Kingston | Compounds and methods for treating protein folding disorders |
WO2018002673A1 (en) | 2016-07-01 | 2018-01-04 | N4 Pharma Uk Limited | Novel formulations of angiotensin ii receptor antagonists |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5138069A (en) * | 1986-07-11 | 1992-08-11 | E. I. Du Pont De Nemours And Company | Angiotensin II receptor blocking imidazoles |
DE69233734D1 (de) * | 1991-11-18 | 2008-06-26 | Du Pont | 2-(2'-Triphenylmethyl-2'H-tetrazol-5'-yl)phenylborsäure als Zwischenprodukt zur Synthese von A II Receptorenantagonisten |
US5310928A (en) * | 1991-11-18 | 1994-05-10 | E. I. Du Pont De Nemours And Company | Process for preparing biphenyltetrazole compounds |
US5206374A (en) * | 1991-11-18 | 1993-04-27 | E. I. Du Pont De Nemours And Company | Process for preparing tetrazolylphenylboronic acid intermediates |
US5130439A (en) * | 1991-11-18 | 1992-07-14 | Lo Young S | Tetrazolylphenylboronic acid intermediates for the synthesis of AII receptor antagonists |
EP0736021A4 (en) * | 1993-12-23 | 1997-04-02 | Merck & Co Inc | LOSARTANE POLYMORPHS AND PROCESS FOR THE PREPARATION OF FORM II OF LOSARTANE |
-
1997
- 1997-10-24 DE DE69711068T patent/DE69711068T2/de not_active Expired - Lifetime
- 1997-10-24 JP JP52067598A patent/JP3249827B2/ja not_active Expired - Fee Related
- 1997-10-24 CN CN97180909A patent/CN1101393C/zh not_active Expired - Fee Related
- 1997-10-24 HR HR970565A patent/HRP970565B1/xx not_active IP Right Cessation
- 1997-10-24 SK SK570-99A patent/SK282875B6/sk not_active IP Right Cessation
- 1997-10-24 EA EA199900427A patent/EA001046B1/ru not_active IP Right Cessation
- 1997-10-24 AT AT97913800T patent/ATE214388T1/de active
- 1997-10-24 WO PCT/US1997/019442 patent/WO1998018787A1/en active IP Right Grant
- 1997-10-24 PT PT97913800T patent/PT937068E/pt unknown
- 1997-10-24 DK DK97913800T patent/DK0937068T3/da active
- 1997-10-24 AU AU50898/98A patent/AU5089898A/en not_active Abandoned
- 1997-10-24 ES ES97913800T patent/ES2173433T3/es not_active Expired - Lifetime
- 1997-10-24 CZ CZ19991515A patent/CZ291672B6/cs not_active IP Right Cessation
- 1997-10-24 EP EP97913800A patent/EP0937068B1/en not_active Expired - Lifetime
- 1997-10-24 BR BR9712390-0A patent/BR9712390A/pt not_active Application Discontinuation
- 1997-10-28 US US08/959,209 patent/US5859258A/en not_active Expired - Lifetime
- 1997-10-28 AR ARP970105001A patent/AR010256A1/es active IP Right Grant
- 1997-10-29 TW TW086116083A patent/TW411338B/zh not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002080354A (ja) * | 2000-09-05 | 2002-03-19 | Kao Corp | 血圧降下剤組成物 |
JP2010510294A (ja) * | 2006-11-23 | 2010-04-02 | ケモ イベリカ, エス.ア. | カンデサルタンシレキセチルの結晶形態を調製する方法 |
Also Published As
Publication number | Publication date |
---|---|
AR010256A1 (es) | 2000-06-07 |
ES2173433T3 (es) | 2002-10-16 |
US5859258A (en) | 1999-01-12 |
AU5089898A (en) | 1998-05-22 |
EP0937068A1 (en) | 1999-08-25 |
DE69711068T2 (de) | 2002-09-12 |
CN1241186A (zh) | 2000-01-12 |
CN1101393C (zh) | 2003-02-12 |
CZ151599A3 (cs) | 1999-10-13 |
HRP970565B1 (en) | 2003-02-28 |
BR9712390A (pt) | 1999-08-31 |
CZ291672B6 (cs) | 2003-04-16 |
JP3249827B2 (ja) | 2002-01-21 |
SK57099A3 (en) | 2000-02-14 |
HRP970565A2 (en) | 1998-08-31 |
TW411338B (en) | 2000-11-11 |
EA001046B1 (ru) | 2000-08-28 |
EA199900427A1 (ru) | 1999-10-28 |
DK0937068T3 (da) | 2002-05-21 |
WO1998018787A1 (en) | 1998-05-07 |
ATE214388T1 (de) | 2002-03-15 |
PT937068E (pt) | 2002-07-31 |
SK282875B6 (sk) | 2003-01-09 |
DE69711068D1 (de) | 2002-04-18 |
EP0937068B1 (en) | 2002-03-13 |
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